great icosahedron

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• Great icosahedron — In geometry, the great icosahedron is a Kepler Poinsot polyhedron. It is one of four nonconvex regular polyhedra. It is composed of 20 intersecting triangular faces, with five triangles meeting at each vertex in a pentagrammic sequence.It shares… …   Wikipedia

• Truncated great icosahedron — Type Uniform star polyhedron Elements F = 32, E = 90 V = 60 (χ = 2) Faces by sides 12{5/2}+20{6} Wythoff symb …   Wikipedia

• Compound of great icosahedron and great stellated dodecahedron — 15th stellation of icosidodecahedron Type stellation and compound Convex hull Rhombic triacontahedron …   Wikipedia

• Great triambic icosahedron — Medial triambic icosahedron Types …   Wikipedia

• Great stellated dodecahedron — In geometry, the great stellated dodecahedron is a Kepler Poinsot polyhedron. It is one of four nonconvex regular polyhedra.It is composed of 12 intersecting pentagrammic faces, with three pentagrams meeting at each vertex.It shares its vertex… …   Wikipedia

• Great icosidodecahedron — In geometry, the great icosidodecahedron is a nonconvex uniform polyhedron, indexed as U54.This polyhedron can be considered a rectified great icosahedron.It shares the same vertex arrangement with the icosidodecahedron.Unlike the great… …   Wikipedia

• Great snub icosidodecahedron — In geometry, the great snub icosidodecahedron is a nonconvex uniform polyhedron, indexed as U57.This polyhedron can be considered a snub great icosahedron. Cartesian coordinates Cartesian coordinates for the vertices of a great snub… …   Wikipedia

• Great dodecahedron — In geometry, the great dodecahedron is a Kepler Poinsot polyhedron. It is one of four nonconvex regular polyhedra. It is composed of 12 pentagonal faces (six pairs of parallel pentagons), with five pentagons meeting at each vertex, intersecting… …   Wikipedia

• great year — Platonic Pla*ton ic, Platonical Pla*ton ic*al, a. [L. Platonicus, Gr. ?: cf. F. platonique.] 1. Of or pertaining to Plato, or his philosophy, school, or opinions. [1913 Webster] 2. Pure, passionless; nonsexual; philosophical. [1913 Webster]… …   The Collaborative International Dictionary of English

• Final stellation of the icosahedron — Two symmetric orthographic projections Symmetry group icosahedra …   Wikipedia

• Truncated great dodecahedron — Type Uniform star polyhedron Elements F = 24, E = 90 V = 60 (χ = −6) Faces by sides 12{5/2}+12{10} Wythof …   Wikipedia